On Sun, Jan 20, 2019 at 4:31 PM Philip Thrift <cloudver...@gmail.com> wrote:
> *>>> What we call space (x,y,z) is just what we measure with a ruler.* >>> *What we call time t is just what we measure with a clock.* >>> >> >> >>True, and thus space and time have well defined definitions. And >> that's why we can't do experiments without a ruler and a clock, you >> wouldn't know where to look for the results or when to look. Without >> experiment or prediction or even postdiction you're just navel gazing >> not doing physics. >> > > > *I don't understand space and time have well defined definitions.* > it's odd you don't understand that as you give crystal clear definitions yourself, space is what a ruler measures and time is what a clock measures. Zero ambiguity in that. > * > If (say) LQG is right, then* [....] > Then we'll never know it's right without an experiment that can confirm it, and experiments can't exist without rulers and clocks. > > *then all rulers and clocks are are things made of QPSCs.* > So what? Everything is made of something else unless you're at the fundamental level. Space and time may not be made of anything but at least they're measurable, I don't see how claiming the fundamental level is mot made of anything and is not measurable either get's you anywhere; you could theorize it's made of anything you like and it would still be consistent with any conceivable experiment. In other words its just navel gazing. John k Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.